Error opening pbix file

[GrahamB99]

When opening a pbix file today  that I was working on yesterday I received this error message

Cannot perform interop call to: CopilotSettingsHostService.GetCopilotScenarioStatus(args:1) - wrong arg[0]=request value { "scenarios": [ "DaxQueryView" ], "artifactInfo": { "artifactType": "SemanticModel" } }

The following is the related error details

Feedback Type:
Frown (Error)

Timestamp:
2026-04-08T02:17:03.7875087Z

Local Time:
2026-04-08T12:17:03.7875087+10:00

Session ID:
01a9313c-35f9-44e8-9cf1-0570e206e3e7

Release:
March 2026

Product Version:
2.152.1279.0 (26.03)+7cb753613ff9dbf770467b6b4012425246d1fe94 (x64)

Stack Trace:
Microsoft.PowerBI.Client.Windows.WebView2.WebView2Interop+InvokeCsException
at Microsoft.PowerBI.Client.Windows.WebView2.WebView2Interop.ConvertArgs(InteropCallBase call, MethodInfo method, IList`1 args)
at Microsoft.PowerBI.Client.Windows.WebView2.WebView2Interop.InvokeCsMethod(Object interopObj, MethodInfo method, InteropCall call)
at Microsoft.PowerBI.Client.Windows.WebView2.WebView2Interop.InvokeCs(InteropCallBase call)
at Microsoft.Mashup.Host.Document.ExceptionHandlerExtensions.HandleExceptions(IExceptionHandler exceptionHandler, Action action)

PowerBINonFatalError:
{"AppName":"PBIDesktop","AppVersion":"2.152.1279.0","ModuleName":"Microsoft.PowerBI.Client.Windows.dll","Component":"Microsoft.PowerBI.Client.Windows.WebView2.WebView2Interop","Error":"Microsoft.PowerBI.Client.Windows.WebView2.WebView2Interop+InvokeCsException - WrongArgs: CopilotSettingsHostService.GetCopilotScenarioStatus(args:1) wrong arg[0]=request","MethodDef":"ConvertArgs","ErrorOffset":"367","ErrorCode":""}

InnerException0.Stack Trace:
at Newtonsoft.Json.Serialization.DynamicValueProvider.GetValue(Object target)
at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.CalculatePropertyDetails(JsonProperty property, JsonConverter& propertyConverter, JsonContainerContract containerContract, JsonProperty containerProperty, JsonReader reader, Object target, Boolean& useExistingValue, Object& currentValue, JsonContract& propertyContract, Boolean& gottenCurrentValue, Boolean& ignoredValue)
at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.SetPropertyValue(JsonProperty property, JsonConverter propertyConverter, JsonContainerContract containerContract, JsonProperty containerProperty, JsonReader reader, Object target)
at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.PopulateObject(Object newObject, JsonReader reader, JsonObjectContract contract, JsonProperty member, String id)
at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.CreateObject(JsonReader reader, Type objectType, JsonContract contract, JsonProperty member, JsonContainerContract containerContract, JsonProperty containerMember, Object existingValue)
at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.CreateValueInternal(JsonReader reader, Type objectType, JsonContract contract, JsonProperty member, JsonContainerContract containerContract, JsonProperty containerMember, Object existingValue)
at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.Deserialize(JsonReader reader, Type objectType, Boolean checkAdditionalContent)
at Newtonsoft.Json.JsonSerializer.DeserializeInternal(JsonReader reader, Type objectType)
at Newtonsoft.Json.Linq.JToken.ToObject(Type objectType, JsonSerializer jsonSerializer)
at Newtonsoft.Json.Linq.JToken.ToObject(Type objectType)
at Microsoft.PowerBI.Client.Windows.WebView2.WebView2Interop.ConvertArgs(InteropCallBase call, MethodInfo method, IList`1 args)

InnerException1.Stack Trace:
at GetScenarioNames(Object )
at Newtonsoft.Json.Serialization.DynamicValueProvider.GetValue(Object target)

OS Version:
Microsoft Windows NT 10.0.26100.0 (x64 en-GB)

CLR Version:
4.8 or later [Release Number = 533320]

Peak Virtual Memory:
85.8 GB

Private Memory:
492 MB

Peak Working Set:
634 MB

IE Version:
11.1882.26100.0

User ID:
1ab19de2-0ba0-4949-8dfc-d358456864ee

Workbook Package Info:
1* - en-AU, Query Groups: 0, fastCombine: Disabled, runBackgroundAnalysis: False.

Telemetry Enabled:
True

Model Default Mode:
Empty

Model Version:
PowerBI_V3

Enabled Preview Features:
PBI_DatabricksAdbcVersionEnabled
PBI_googleBigQueryAdbcVersionEnabled
PBI_scorecardVisual
PBI_setLabelOnExportPdf
PBI_oneDriveSave
PBI_oneDriveShare
PBI_odspSaveBackgroundUpload
PBI_modernOfficeFilePicker
PBI_useModernPublishDialogs
PBI_gitIntegration
PBI_tmdlInDataset
PBI_enhancedReportFormat
PBI_advancedSlicerTypeList
PBI_aiNarrativesVisual
PBI_visualCalculationsAuthoring
PBI_copilotUnifiedTooling
PBI_UserInstalledNetezzaODBCDriver
PBI_sqlDbNativeArtifactsOnDesktop
PBI_enableExportQueries

Disabled Preview Features:
PBI_UseRedshiftODBCV2
PBI_snowflakeLegacyOdbcVersionEnabled
PBI_shapeMapVisualEnabled
PBI_SpanishLinguisticsEnabled
PBI_qnaLiveConnect
PBI_b2bExternalDatasetSharing
PBI_onObject
PBI_publishDialogsSupportSubfolders
PBI_enhancedReportFormatPBIX
PBI_qnaImproveLsdlCopilot
PBI_customCalendars
MashupFlight_EnableOracleBundledOdacProviderV2
PBI_supportUDFs
PBI_newVisualDefaults2026

Disabled DirectQuery Options:
TreatHanaAsRelationalSource

Cloud:
GlobalCloud

DPI Scale:
100%

Supported Services:
Power BI

WebView2 Runtime Version:
146.0.3856.97

WebView2 SDK Version:
1.0.2365.46